Education
He attended Columbia University and received his Doctor of Philosophy in biology from the University of Miami.
He attended Columbia University and received his Doctor of Philosophy in biology from the University of Miami.
He worked as a cook, a marine biologist, a speech writer, a policy advisor for the Jimmy Carter White House, and a bureaucrat for the United States Environmental Protection Agency (Environmental Protection Agency) before becoming a novelist. He was the ghostwriter of the popular Robert K. series of Butch Karp novels starting with Number Lesser Plea and ending with Resolved. After the partnership with ended, Gruber began publishing novels using his own name.
The Book of Air and Shadows became a national bestseller shortly after its release in March 2007.